General
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Target
2025-05-15_7eb980a62275733e40d155af9cf0168e_elex_virlock
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Size
436KB
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Sample
250515-mrc4qatpt9
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MD5
7eb980a62275733e40d155af9cf0168e
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SHA1
53000ec131856c338ecff7d09371e6dffd44a786
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SHA256
465df9633083c15ae35f795d5992565302a1ae66bf0fa683162400ebc1aed5d7
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SHA512
9c2b03c6d62fad94abee9af27dcf14822076bc9e575015480e028f76d3857927e2343b6a495b19aa71148c67784066097c5a869a4a10271222c0c237bd4fb0d6
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SSDEEP
6144:v7rKoQSe+gX/bq1uiIxxXl/T36j3kLijpDnjK79LqnXOEam:hFe1UbI7l/jIkLijpDnjU9qnXham
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-15_7eb980a62275733e40d155af9cf0168e_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-15_7eb980a62275733e40d155af9cf0168e_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
2025-05-15_7eb980a62275733e40d155af9cf0168e_elex_virlock
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Size
436KB
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MD5
7eb980a62275733e40d155af9cf0168e
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SHA1
53000ec131856c338ecff7d09371e6dffd44a786
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SHA256
465df9633083c15ae35f795d5992565302a1ae66bf0fa683162400ebc1aed5d7
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SHA512
9c2b03c6d62fad94abee9af27dcf14822076bc9e575015480e028f76d3857927e2343b6a495b19aa71148c67784066097c5a869a4a10271222c0c237bd4fb0d6
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SSDEEP
6144:v7rKoQSe+gX/bq1uiIxxXl/T36j3kLijpDnjK79LqnXOEam:hFe1UbI7l/jIkLijpDnjU9qnXham
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (86) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1